【文章內(nèi)容簡介】 m of color blindness, everything is seen in shades of gray. 49． What does the underlined word essential mean? A． Helpful. B． Harmful. C． Special. D． Necessary. 50． Which of the following is true about color blindness according to the passage? A． Most people who are color blind can only see grey. B． Not having color cone cells can cause color blindness. C． Most people who are color bind can only see black and white. D． The people who can39。t tell green from red are not really color blind. 51． What is the purpose of the passage? A． To clear up some wrong ideas about eyes. B． To offer some advice on protecting your eyes. C． To give some reasons for bad eyesight and color blindness. D． To provide some medical information about improving your eyesight. D Changed by New Media Social media（社交媒體） is one of the fastestgrowing industries in the world today. A study carried out by the Pew Research Center showed that 92% of teenagers go online daily. The wide use of social media has changed nearly all parts of teenager39。s lives. Changing relationships High school student Elly Cooper from Illinois said social media often reduces facetoface munication. It makes inperson relationships harder because people give attention to their phones instead of their boyfriends or girlfriends, Cooper said. There39。s also a greater possibilities of things getting lost in translation over social media. If half of your relationship is over social media, you don39。t really know how the other people is reacting, Sienna Schulte, a junior student from Illinois, said. Yet, some people believe social media has made it easier to start relationships with anyone from anywhere. Beth Kaplan from Illinois met her longdistance friends through social media. Now he lives in Scotland, but they are still often able to municate with one another. I can feel close to someone that I39。m talking to through FaceTime, Kaplan said. Wanting to be liked The rise of social media has changed the way teenagers see themselves. Essena O39。Neill said that she had stopped using social media on the social working service Instagram . The 19yearold girl thought she had gotten lost in appearing perfect online. Negative ments ( 負面評論 ) can also do damage to a teenager39。s selfesteem ( 自尊 ). In particular, anonymous ( 匿名的 ) social media Apps such as Yik Yak may provide chances for cyber bullying ( 網(wǎng)絡(luò)欺凌 ). The App allows users within 5 miles to create ments and add them to everything. Teenagers who get negative ments on these websites can39。t help but feel hurt. Opening new doors However, Armin Korsos, a student from Illinois, takes advantage of the ments he receives over social media to improve his videos on the social working site YouTube. Social media can help people show themselves and their talents to the world, in a way that was never possible before, Korsos said. Korsos recognizes that social media has bee a distraction ( 讓人分心的事 ). Social media, though it helps people connect with their friends and stay updated, is not all necessary. 52． How does social media change relationships according to the passage? A． It pushes people to meet their friends more often online. B． It encourages people to pay more attention to the friends around them. C． It helps users to understand correctly what others are talking about online. D． It allows people to municate with their friends who live far away more easily. 53． Essena O39。Neill decided to stop using social media because____________. A． she couldn39。t stand cyber bullying on social media B． she wanted to spend more time with her friends in real life C． she was troubled with her perfect appearing on social media D． She had got tired of using social media Apps like Yik Yak 54． Which of the following opinions would Armin Korsos probably agree with? A． Social media can easily improve teenager39。s talents to the world. B． The use of social media taught him to correct negative ments. C． Social media is not necessary for teenagers because it is a distraction. D． If used well, social media can create opportunities for teenagers to develop themselves. 55． What is the passage mainly about? A． The main problems with social media. B． The effects of social media on teenagers. C． How teenagers benefit from social media. D． Why social media attracts teenagers so much. 七、閱讀短文，根據(jù)短文內(nèi)容，從短文后的五個選項中選出能填入空白處的最佳選項。每個 選項只能用一次。（共 10 分，每小題 2 分） Tips for High School Starting high school can be difficult. Everyone is nervous and nobody knows where to go for classes. 56 But don39。t worry. You are not alone. You are going to school with a group of students of your age, and we have several tips to share. Fet your fear and just talk to someone It might be much easier said than done, but try to take a deep breath and find your voice. 57 Introduce yourself and start a conversation about something you have in mon. Sit in the middle of the classroom with as many new friends around you as possible. Join clubs Join in with afterschool activities that interest you and make friends in the club. If you don39。t join anything, you will be just going to class and then goin